package com.hll.api.util;

import lombok.extern.slf4j.Slf4j;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

/**
 * @author dataochen
 * @Description
 * @date: 2017/11/7 17:49
 */
@Slf4j
public class HttpRequestUtil {
	private static CloseableHttpClient httpClient;

	static {
		PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
		cm.setMaxTotal(100);
		cm.setDefaultMaxPerRoute(20);
		cm.setDefaultMaxPerRoute(50);
		httpClient = HttpClients.custom().setConnectionManager(cm).build();
	}

	public static String get(String url) {
		log.debug("get:{}",url);
		CloseableHttpResponse response = null;
		BufferedReader in;
		String result = "";
		try {
			HttpGet httpGet = new HttpGet(url);
			RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(30000).setConnectionRequestTimeout(30000).setSocketTimeout(30000).build();
			httpGet.setConfig(requestConfig);
			httpGet.setConfig(requestConfig);
			httpGet.addHeader("Content-type", "application/json; charset=utf-8");
			httpGet.setHeader("Accept", "application/json");
			response = httpClient.execute(httpGet);
			in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
			StringBuilder sb = new StringBuilder();
			String line;
			String nl = System.getProperty("line.separator");
			while ((line = in.readLine()) != null) {
				sb.append(line).append(nl);
			}
			in.close();
			result = sb.toString();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (null != response) {
					response.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		log.debug("get:{}\n返回值：{}",url,result);
		return result;
	}

	public static String post(String url, String jsonString) {
		CloseableHttpResponse response = null;
		BufferedReader in;
		String result = "";
		try {
			HttpPost httpPost = new HttpPost(url);
			RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(30000).setConnectionRequestTimeout(30000).setSocketTimeout(30000).build();
			httpPost.setConfig(requestConfig);
			httpPost.setConfig(requestConfig);
			httpPost.addHeader("Content-type", "application/json; charset=utf-8");
			httpPost.setHeader("Accept", "application/json");
			httpPost.setEntity(new StringEntity(jsonString, Charset.forName("UTF-8")));
			response = httpClient.execute(httpPost);
			in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
			StringBuilder sb = new StringBuilder();
			String line;
			String nl = System.getProperty("line.separator");
			while ((line = in.readLine()) != null) {
				sb.append(line).append(nl);
			}
			in.close();
			result = sb.toString();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (null != response) {
					response.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return result;
	}

}
